Home / 89,983.97-124,201.89-51,747.69

Finding the Fourth Proportional to 89,983.97, 124,201.89 and 51,747.69

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Solution

The fourth proportional to 89,983.97, 124,201.89 and 51,747.69 is: 71,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.97 : 124,201.89 = 51,747.69 : x
  2. Step 2: Convert to fraction form
    89,983.97/124,201.89 = 51,747.69/x
  3. Step 3: Cross multiply
    89,983.97x = 124,201.89 × 51,747.69
  4. Step 4: Simplify right side
    89,983.97x = 6,427,160,901.13
  5. Step 5: Solve for x
    x = 6,427,160,901.13/89,983.97
  6. Step 6: Final answer
    x = 71,425.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.